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EP2309046B1 - Matériaux de tissu multicouche pour applications de toiture - Google Patents

Matériaux de tissu multicouche pour applications de toiture Download PDF

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Publication number
EP2309046B1
EP2309046B1 EP10010406.6A EP10010406A EP2309046B1 EP 2309046 B1 EP2309046 B1 EP 2309046B1 EP 10010406 A EP10010406 A EP 10010406A EP 2309046 B1 EP2309046 B1 EP 2309046B1
Authority
EP
European Patent Office
Prior art keywords
polymer
fibers
laminate
fabric
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10010406.6A
Other languages
German (de)
English (en)
Other versions
EP2309046A1 (fr
Inventor
Thomas Dr. Stehlin
Werner Dr. Groh
Jörg LEHNERT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johns Manville
Original Assignee
Johns Manville
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Publication date
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Priority to EP10010406.6A priority Critical patent/EP2309046B1/fr
Publication of EP2309046A1 publication Critical patent/EP2309046A1/fr
Application granted granted Critical
Publication of EP2309046B1 publication Critical patent/EP2309046B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/28—Roofing elements comprising two or more layers, e.g. for insulation
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
    • B32B17/04—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments bonded with or embedded in a plastic substance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/067—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/10—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer reinforced with filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D04H1/4218—Glass fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • D04H3/011—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/04—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by applying or incorporating chemical or thermo-activatable bonding agents in solid or liquid form
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N5/00—Roofing materials comprising a fibrous web coated with bitumen or another polymer, e.g. pitch
    • D06N5/003—Roofing materials comprising a fibrous web coated with bitumen or another polymer, e.g. pitch coated with bitumen
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/02—Roof covering by making use of flexible material, e.g. supplied in roll form of materials impregnated with sealing substances, e.g. roofing felt
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0076—Curing, vulcanising, cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/105—Ceramic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/10—Fibres of continuous length
    • B32B2305/18—Fabrics, textiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/10—Fibres of continuous length
    • B32B2305/20—Fibres of continuous length in the form of a non-woven mat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/06—Roofs, roof membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00—Floor coverings

Definitions

  • the individual titers of the synthetic polymer fibers in the polymer nonwoven layer are between 1 and 16 dtex, preferably 2 to 10 dtex.
  • the aforementioned titers are particularly preferred for spunbonded polyester filaments as synthetic polymer non-woven fabric.
  • the B-stage binder composition is applied to the polymer nonwoven and/or to the fabric layer of non-polymer fibers, in particular to the non-polymer nonwoven, and then partly cured to B-stage condition.
  • the B-stage binder gets fully cured and thereby glues the layers together.
  • B-stage binders in the B-stage means a binder that is only partially cured or hardened and can still experience a final hardening, e.g., by thermal post-treatment.
  • Such B-stage binders are exhaustively described in US-A-5,837,620 , US-A-6,303,207 and US-A-6,331,339 .
  • the B-stage binders disclosed therein are also subject matter of the present description.
  • B-stage binders are preferably binders based on furfuryl alcohol formaldehyde, phenol formaldehyde, melamine formaldehyde, urea formaldehyde and their mixtures.
  • aqueous systems are concerned.
  • the materials for screening electromagnetic rays are usually electrically conductive materials. They can be built up in the form of foils, particles, fibers or wires and/or textiles surface structures of the previously cited materials.
  • the polymer nonwoven can also comprise a B-stage binder.
  • the binder can be applied before or preferably after the heat treatment for shrinking the fiber.
  • the polymer nonwoven, the non-polymer fabric, or both can comprise a B-stage binder.
  • one or more of the nonwoven or fabrics can comprise a B-stage binder. It is preferred that the non-polymer fabric comprises the B-stage binder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)

Claims (25)

  1. Stratifié de tissu à deux couches comprenant (i) au moins une couche de non tissé en fibres polymères basée sur polymères synthétiques filables à l'état fondu et (ii) au moins une couche de tissu en fibres non polymères, les au moins deux couches différentes (i) et (ii) ont été stratifiées en utilisant au moins un liant de stade B, pouvant être obtenu par un procédé comprenant les étapes de
    a) pourvoir au moins une couche de non tissé en fibres polymères basée sur les polymères synthétiques filables à l'état fondu,
    b) pourvoir au moins une couche de tissu en fibres non polymères,
    c) au moins la couche de non tissé en fibres polymères basée sur polymères synthétiques filables à l'état fondu ou la couche de tissu en fibres non polymères, comprend au moins un liant de stade B dans la condition de stade B,
    d) stratifier au moins deux couches différentes permettant au liant de stade B dans la condition de stade B pour se propager dans la couche d'interface correspondante, et le durcissement final du liant de stade B, dans ladite stratification seulement un ou plusieurs liants de stade B ont été utilisés pour la stratification des deux couches différentes (i)et (ii), le non tissé en fibres polymères ayant une résistance mécanique spécifique M(N/5cm/ poids par surface (g/m2)) de 0,2 -0,8 Nm2/gcm.
  2. Stratifié selon la revendication 1, où le non tissé en polymère est basé sur les fibres discontinues et/ou les fibres filamenteuses.
  3. Stratifié selon la revendication 1, où le polymère du non tissé en polymère est un polymère synthétique filable à l'état fondu tel que le polyester, la polyoléfine, les polyamides ou un mélange de ceux-ci.
  4. Stratifié selon la revendication 1, où le non tissé en polymère est un non tissé filé-lié.
  5. Stratifié selon la revendication 1, où le non tissé en polymère a un poids par l'unité de surface allant de 10 à 500 g/m2 et préférablement de 20 à 250 g/m2.
  6. Stratifié selon la revendication 1, où le non tissé en polymère a été pré-consolidé mécaniquement, hydrodynamiquement, thermiquement ou par calandrage.
  7. Stratifié selon la revendication 1, où la contraction restante du non tissé en polymère est moins de 3,5% quand traité à 200°C pour 10 minutes.
  8. Stratifié selon la revendication 1, où les fibres polymères dans la couche de non tissé en polymère ont entre 1 et 16 dtex, préférablement 2 à 10 dtex.
  9. Stratifié selon la revendication 1, où la couche de non tissé en polymère comprend un renforcement additionnel par fibres, fils ou filaments, préférablement dans la forme de multi-filaments ou rovings, basés sur verre, polyester, carbone ou métal.
  10. Stratifié selon la revendication 1, où au moins une couche de tissu de fibres non polymères est basée sur les fibres discontinues et/ou les fibres filamenteuses.
  11. Stratifié selon la revendication 1, où au moins une couche de tissu de fibres non polymères est basée sur fibres céramiques, fibres minérales, fibres de verre ou mélanges de ceux-ci.
  12. Stratifié selon la revendication 1, où au moins une couche de tissu de nattes de fibres non polymères, nattes, tissus multiaxiaux, tissus tricotés, tricots, matériau non tissé et/ou matériau tissé, préférablement un tissé et/ou non tissé.
  13. Stratifié selon la revendication 1, où au moins une couche de tissu de fibres non polymères a un poids par l'unité de surface de la couche individuelle entre 15 et 500 g/m2, préférablement 20 et 250 g/m2, où ces données concernent les tissus sans liants.
  14. Stratifié selon la revendication 1, où au moins une couche de tissu de fibres non polymères a une résistance mécanique de 50-800 N/5cm, préférablement 100-500 N/5cm.
  15. Stratifié selon la revendication 1, où au moins une couche de tissu de fibres non polymères a un renforcement additionnel par les fibres, fils ou filaments, préférablement dans la forme de multi-filaments ou rovings, basés sur verre, polyester, carbone ou métal.
  16. Stratifié selon la revendication 1, où au moins une couche de tissu de fibres non polymères comprend 10 à 90 % en poids fibres polymères.
  17. Stratifié selon la revendication 1, où au moins une couche de tissu de fibres non polymères est basée sur fibres de verre, préférablement sur fibres de verre discontinues.
  18. Stratifié selon la revendication 17, où jusqu'à 90 % en poids des fibres de verre peuvent être substituées par d'autres fibres.
  19. Stratifié selon la revendication 1, où au moins une couche de tissu de fibres non polymères a été pré-renforcée, préférablement par renforcement mécanique et/ou par liants chimiques ou thermoplastiques.
  20. Procédé de production un stratifié de tissu à deux couches comprenant (i) au moins une couche de non tissé en fibres polymères basée sur polymères synthétiques filables à l'état fondu et (ii) au moins une couche de tissu en fibres non polymères, les au moins deux couches différentes (i) et (ii) ont été stratifiées en utilisant au moins un liant de stade B, comprenant les étapes de
    a) pourvoir au moins une couche de non tissé en fibres polymères basée sur les polymères synthétiques filables à l'état fondu,
    b) pourvoir au moins une couche de tissu en fibres non polymères,
    c) au moins la couche de non tissé en fibres polymères basée sur polymères synthétiques filables à l'état fondu ou la couche de tissu en fibres non polymères comprend au moins un liant de stade B dans la condition de stade B,
    d) stratifier au moins deux couches différentes permettant au liant de stade B dans la condition de stade B pour se propager dans la couche d'interface correspondante, et le durcissement final du liant de stade B, dans ladite stratification seulement un ou plusieurs liants de stade B ont été utilisés pour la stratification des deux couches différentes (i) et (ii), le non tissé en fibres polymères ayant une résistance mécanique spécifique M (N/5cm/poids par surface (g/m2)) de 0,2-0,8 Nm2/gcm.
  21. Procédé selon la revendication 20, où la couche de tissu de fibres non polymères comprend au moins un liant de stade B dans la condition de stade B.
  22. Procédé selon la revendication 20, où la stratification et le durcissement a lieu à températures de 180 à 260 °C.
  23. Procédé selon la revendication 20, où la stratification et le durcissement a lieu à pressions entre 1-50 daN/cm, préférablement entre 10-50 daN/cm.
  24. Utilisation du stratifié tel que présenté dans la revendication 1 à 19 comme support pour les feutres de toiture, pour les feutres de toiture bitumineux, membranes d'étanchéité ou revêtements de sol en PVC.
  25. Feutres de toiture, en particulier feutres de toiture bitumineux, comprenant au moins un stratifié tel que présenté dans la revendication 1 à 19.
EP10010406.6A 2009-10-08 2010-09-23 Matériaux de tissu multicouche pour applications de toiture Active EP2309046B1 (fr)

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WO2017004413A1 (fr) 2015-06-30 2017-01-05 Saint-Gobain Adfors Canada, Ltd. Mat de verre et procédé de fabrication du mat de verre
WO2018096389A1 (fr) * 2016-11-25 2018-05-31 Draudins Kristaps Matériau multicouches conducteur pour application de détection de fuites
US20220161531A1 (en) * 2019-03-15 2022-05-26 Lonseal Corporation Floor finishing material
EA202193031A1 (ru) * 2019-05-06 2022-02-14 Политекс С.А.С. Ди Фройденберг Политекс С.Р.Л. Огнестойкие композитные подложки для битуминозных мембран

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